mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-21 18:30:05 +00:00
db72c1e46f
* sysdeps/unix/mips/sysdep.h: Use __syscall_error. * sysdeps/unix/mips/sysdep.S: Rewrite, don't declare errno here. Patches by Ralf Baechle <ralf@uni-koblenz.de> 1999-08-24 Andreas Jaeger <aj@arthur.rhein-neckar.de>
102 lines
2.4 KiB
ArmAsm
102 lines
2.4 KiB
ArmAsm
/* Copyright (C) 1992,93,94,97,98,99 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Brendan Kehoe (brendan@zen.org).
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <sysdep.h>
|
|
#define _ERRNO_H
|
|
#include <bits/errno.h>
|
|
|
|
#ifdef _LIBC_REENTRANT
|
|
|
|
ENTRY(__syscall_error)
|
|
#ifdef PIC
|
|
.set noreorder
|
|
.set noat
|
|
move $1, $31
|
|
bltzal $0, 0f
|
|
nop
|
|
0: .cpload $31
|
|
move $31, $1
|
|
.set at
|
|
.set reorder
|
|
#endif
|
|
subu sp, 32
|
|
#ifdef __PIC__
|
|
.cprestore 16
|
|
#endif
|
|
sw v0, 20(sp)
|
|
sw ra, 24(sp)
|
|
|
|
#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
|
|
/* We translate the system's EWOULDBLOCK error into EAGAIN.
|
|
The GNU C library always defines EWOULDBLOCK==EAGAIN.
|
|
EWOULDBLOCK_sys is the original number. */
|
|
bne v0, EWOULDBLOCK_sys, skip
|
|
nop
|
|
li v0, EAGAIN
|
|
skip:
|
|
#endif
|
|
/* Store it in the "real" variable ... */
|
|
sw v0, errno
|
|
|
|
/* Find our per-thread errno address */
|
|
jal __errno_location
|
|
|
|
/* Store the error value. */
|
|
lw t0, 20(sp)
|
|
sw t0, 0(v0)
|
|
|
|
/* And just kick back a -1. */
|
|
lw ra, 24(sp)
|
|
addiu sp, 32
|
|
li v0, -1
|
|
j ra
|
|
END(__syscall_error)
|
|
|
|
#else /* _LIBC_REENTRANT */
|
|
|
|
|
|
ENTRY(__syscall_error)
|
|
#ifdef __PIC__
|
|
.set noreorder
|
|
.set noat
|
|
move $1, $31
|
|
bltzal $0, 0f
|
|
nop
|
|
0: .cpload $31
|
|
move $31, $1
|
|
.set at
|
|
.set reorder
|
|
#endif
|
|
#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
|
|
/* We translate the system's EWOULDBLOCK error into EAGAIN.
|
|
The GNU C library always defines EWOULDBLOCK==EAGAIN.
|
|
EWOULDBLOCK_sys is the original number. */
|
|
bne v0, EWOULDBLOCK_sys, skip
|
|
li v0, EAGAIN
|
|
skip:
|
|
#endif
|
|
/* Store it in errno... */
|
|
sw v0, errno
|
|
|
|
/* And just kick back a -1. */
|
|
li v0, -1
|
|
j ra
|
|
END(__syscall_error)
|
|
#endif /* _LIBC_REENTRANT */
|